<template>
  <div class="icons">
    <swiper  ref="mySwiper" :options="swiperOption" v-if="showSwiper">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img">
            <img :src="item.imgUrl" class="icon-img-content"/>
          </div>
          <p class="icon-desc" v-text="item.desc"></p>
        </div>
      </swiper-slide>
      <div class="swiper-pagination"  slot="pagination"></div>

    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      iconList: [
        {
          id: '0001',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/95/f3dd6c383aeb3b02.png',
          desc: '景点门票'
        },
        {
          id: '0002',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
          desc: '一日游'
        },
        {
          id: '0003',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
          desc: '必游'
        },
        {
          id: '0004',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/6a/45f595250c73d102.png',
          desc: '夏日玩水'
        },
        {
          id: '0005',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/6a/45f595250c73d102.png',
          desc: '名胜古迹'
        },
        {
          id: '0006',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/97/02f5043b51b2102.png',
          desc: '惠游华山'
        },
        {
          id: '0007',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/f5/a963333e1fa802.png',
          desc: '当地好玩'
        },
        {
          id: '0008',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/87/a6521252870ea402.png',
          desc: '学生专享'
        },
        {
          id: '0009',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/95/8d02011d149bdb02.png',
          desc: '汽车票'
        },
        {
          id: '00010',
          imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/80/416c6ab3368d1f02.png',
          desc: '全部玩乐'
        }
      ],
      swiperOption: {
        loop: true,
        autoplay: false,
        pagination: '.swiper-pagination'
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    },
    showSwiper () {
      return this.list.length
    }
  }
}
</script>

<style lang="scss" scoped>
  @import "~styles/varibles.scss";
  @import "~styles/mixins.scss";
  .icons {
    margin-top: .1rem;

    .icon {
      position: relative;
      width: 25%;
      height: 0;
      overflow: hidden;
      float: left;
      padding-bottom: 25%;
      .icon-img {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: .44rem;
        box-sizing: border-box;
        padding: .1rem;
        .icon-img-content {
          display: block;
          margin: 0 auto;
          height: 100%;
        }
      }
      .icon-desc {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: .44rem;
        line-height: .44rem;
        text-align: center;
        color: $darkTextColor;
        @include ellipsis
      }
    }
  }
</style>
<style>
  .icons .swiper-container{
    height: 0;
    padding-bottom: 57%;
  }
</style>
